Glendale Heights is located in Illinois. Glendale Heights, Illinois has a population of 34,330. Glendale Heights is more family-centric than the surrounding county with 37.53% of the households containing married families with children. The county average for households married with children is 37.15%.
The median household income in Glendale Heights, Illinois is $62,763. The median household income for the surrounding county is $84,442 compared to the national median of $57,652. The median age of people living in Glendale Heights is 34.3 years.
The average high temperature in July is 83.8 degrees, with an average low temperature in January of 14.7 degrees. The average rainfall is approximately 38.1 inches per year, with 28 inches of snow per year.